| N | (%) |
---|---|---|
Gender | Â | Â |
  Male | 27 | 60.0 |
  Female | 18 | 40.0 |
Age (years) | Â | Â |
  <30 | 10 | 22.3 |
  30–49 | 20 | 44.4 |
  ≥50 | 15 | 33.3 |
Education | Â | Â |
  Elementary school or lower | 22 | 48.9 |
  Higher education | 23 | 51.1 |
Occupation | Â | Â |
  Agriculture, forestry, animal husbandry or fishing | 22 | 48.9 |
  Other occupations | 23 | 51.1 |
Family monthly income per person (yuan) | Â | Â |
< 500 | 27 | 60.0 |
≥ 500 | 18 | 40.0 |
Residential area | Â | Â |
  Urban | 14 | 31.1 |
  Rural | 31 | 68.9 |